For every force there is a reaction force that is equal in size, but opposite in direction.
That is to say that whenever an object pushes another object it gets pushed back in the opposite direction equally hard.
An example is a rocket launching.
Let's study how a rocket works to understand
The rocket's action is to push down on the ground with the force of its powerful engines, and the reaction is that the ground pushes the rocket upwards with an equal force.
Newton's Third Law Tutorials and Videos:
Newton's Third Law Explanation
Bill Nye Video
NFL Football
MSU Physics of Football
Newton's 3rd Law - Space, Newton's Cradle
Also known as the Action/Reaction Law
For every force there is a reaction force that is equal in size, but opposite in direction.
That is to say that whenever an object pushes another object it gets pushed back in the opposite direction equally hard.
An example is a rocket launching.
Let's study how a rocket works to understand
The rocket's action is to push down on the ground with the force of its powerful engines, and the reaction is that the ground pushes the rocket upwards with an equal force.
Physics I - Newtons 3rd Law from Matt Yamamoto on Vimeo.